A journey of seeking pressure and forces in the nucleon
Xiangdong Ji; Yang Chen · 2026 · Nuclear Physics B
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract
Momentum current density (MCD) $T^{ij}$ is a general physics concept describing the momentum conservation through momentum flow generated from both the kinetic motion of particles and the interacting forces among them. It has been suggested by M. Polyakov et al. that the MCD in the nucleon, characterized by the form factor $C/D$ of the QCD energy-momentum tensor, can be interpreted as the pressure and shear forces between adjacent parts of the system because the nucleon interior approximates a continuous medium. While intuitively appealing, we find that the interpretation is hard to justify fr
Abstract by Xiangdong Ji; Yang Chen, Nuclear Physics B (2026) — licensed CC BY 4.0.
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Metadata source: OpenAlex · DOI 10.1016/j.nuclphysb.2026.117342